CliSAP’s key research areas are supplemented with the following Integrated Activities: The Integrated Climate Data Center, Integrated Modeling Activities, Global High-Resolution Climate Reconstruction, Understanding Science in Interaction, and Visualization—all fostering research and integrative approaches. Our IAs complement the technical and IT support provided by Universität Hamburg and its partners. In addition, the Cluster of Excellence rides on high-performance computing, large-scale facilities, and field laboratories.